Real-Talk Torah: Frogs Everywhere, Even on the Daf! 🐸

Parsha HaShavuah & Daf Yomi unite as, today (Pesachim 53), both discuss Makkas Tzefardei'a, the Plague of Frogs! The Gemara oddly suggests that Chananya, Mishael, and Azaryah seemingly "Poskined" a Halachah for themselves based on the self-sacrifice of the frogs and volunteered their lives instead of bowing to a statue. Inspiring maybe, but also VERY STRANGE! They ruled based on frogs?! Could they just do that? Can WE do that? And couldn't they find another source?